如果我们大批量定购的话，可以享受哪些优惠？？？？？？

If we buy/purchase in bulk, what kinds of benefits will we enjoy? - 有点太过直接，显得不太礼貌。

If we buy/purchase in bulk, can you give us some discounts or extra benefits? - 较为缓和，也比较明确

bulk也可换成large quantities。

what kind of favor can we have, if we purchase in batch?

If we purchase in large numbers, what kind of bonus could we receive?

What kind of preference could we have if we purchase in a large batch?

What preferential price will we get if we place a bulk order?

优惠 preferential price
订购： place an order